noun
scarlet sage; red salvia
A flowering plant (Salvia splendens) known for its bright red blooms. Often referred to by the loanword サルビア in everyday contexts.
See also: サルビア
庭に緋衣草を植えた。
I planted scarlet sage in the garden.
サルビア is the more common everyday name for salvia, while 緋衣草 is a specific Japanese name for scarlet sage.
The name 緋衣草 (ひごろもそう) literally means 'scarlet-robe grass', referring to the plant's vivid red flowers.